RTS Ford 9 Chrome Moly Yoke is to complete the drivetrain, use one of these super strong RTS Chrome Moly Steel Yoke for maximum performance and style. When building rear-ends for race cars or trucks, people tend to forget that the yoke is the one piece that ties it all together. This yoke has extra chrome moly in critical areas, and it is finished with a black oxide. Don't reuse the old, beat-up OEM cast iron yoke for your build; choose Chrome Moly yokes from RTS. Features • Chrome moly steel • Additional material in critical areas • Black oxide finish • Accepts 1350 series u-joint • Fits Ford 9″ 31 spline pinion shafts • Designed & machined by RTS